I think the father may have remarried - Sarah M ?Barnum/Barnam
Source: "United States Census, 1860", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCHT-XR4
: 19 March 2020), Talmage Conger in entry for William J Conger, 1860.
United States Census, 1860 Town of Moira, Franklin, New York
: William J Conger Male 45 New York
: Sarah M Conger Female 38 New York
: Zilpha E Conger Female 22 New York
: William H H Conger Male 20 New York
: Lucy A Conger Female 13 New York
: Abiram L Conger Male 11 New York
: Talmage Conger Male 5 New York
Source: "United States Census, 1870", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8X6-8LH
: 18 March 2020), Dennis Conger in entry for Sarah Conger, 1870.
United States Census, 1870 Bangor, Franklin, New York
: Sarah Conger Female 49 New York
: Dennis Conger Male 15 New York
Source: "New York Marriages, 1686-1980", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:F63H-2ZF
: 21 January 2020), Talmedge D. B. Conger, 1889.
New York Marriages
: Talmedge D. B. Conger
: Male Age 35 Birth (est) 1854
: Father ''Jackson Conger'' Mother ''Sarah Barnam''
: Marriage 12 Jun 1889 Lawrence, St. Lawrence, New York
: Spouse Clara Kingsley
: Female Age 23 Birth (est) 1866
: Father Franklin Kingsley Mother Mathilda Kellogg
Source: Find a Grave, database and images (https://www.findagrave.com
: accessed 06 September 2020), memorial page for Sarah M Conger (1822–10 Sep 1878), Find a Grave Memorial no. 133672303, citing North Bangor Cemetery, North Bangor, Franklin County, New York, USA ; Maintained by Shock (contributor 47473371) .
: Sarah M Conger (wife of William)
: Birth 1822
: Death 10 Sep 1878 (aged 55–56)
: Burial North Bangor Cemetery